The MCU of the 50s and 60s!!!

I have seen fancast of the MCU done if it was made in the 1980s or the 90s, I decided to do a "what if" in the 1950s and 1960s. Here is my take on who I believe would fit the roles of the MCU the best from that time in Hollywood! 

AVENGERS:
Elvis Presley:Steve Rogers/Captain America
Kirk Douglas:Tony Stark/Iron Man
Burt Reynolds:Clint Barton/Hawkeye
Natalie Woods:Natasha Romanoff/Black Widow
Dean Jones:Bruce Banner/Hulk
Robert Redford:Thor Odinson

Guardians of the Galaxy:
Tony Curtis:Peter Quill/Star-Lord
Elizabeth Taylor:Gamora
Bruno Sammartino:Drax
Frank Sinatra:Groot

Dean Martin:Rocket Raccoon

Sidney Poitier:T'Challa/Black Panther
 Marlon Brando:Dr.Stephan Strange/Doctor Strange

Paul Newman:Scott Lang or Hank Pym/Ant-Man

Audrey Hepburn:Janet van Dyne or Hope van Dyne/Wasp
Kurt Russell:Peter Parker/Spider-Man
Mary Taylor Moore:Carol Danvers/Captain Marvel

John Wayne:Nick Fury
Carolyn Jones:Maria Hill
Marilyn Monroe:Peggy Carter
Clint Eastwood:Bucky Barnes/Winter Solider
Don Marshall:Sam Wilson/Falcon
Cary Grant:Vision
Jane Fonda:Wanda Maximoff/Scarlet Witch
AND
Lee Marvin:Thanos